Today, smart phones are the most sought after gadgets. Whether

Today, smart phones are the most sought after gadgets. Whether live imitate a businessman, professional, or student, all and sundry wants to get their hands on these phones. There is a massive hunger for smart telephones throughout the world. besides the fact that children Apple’s iPhone had originally started the smart telephone mania, but today, Google’s Android is fighting it plant numerous user friendly applications also features. Android, being an open source platform, opens up the gates considering the advancement of a large number of high-powered mobile applications. The crux of the matter is both these colossal corporations have created a plethora of opportunities in the field of cellular application advancement.
Google has constructed Android over an open source mobile working system that is based on the Linux kernel. Android programming is based on Java planning language, and intimacy with the language automatically opens up the gates to every Java programmer on the planet. That is the reason java programmers are in heavyweight demand nowadays. By driving Android, manufacturers can customize the OS to suit their particular hardware design, thereby facilitating them to innovate without chunk regulations. according to Google chief, Eric Schmidt, about 200,000 android based smart phones again related devices are sold each day.
Some of the key features of Android are:           
•                     Flash 10.1 and head-set Support
•                     Push Messaging
•                     Speech-to-text conversion
•                     High MP Camera,
•                     Advanced GPS
•                     abandonment also accelerometer
•                     Optimized graphics
•                     GSM Telephony
On the deviating hand, Apple’s iPhone is developed on Objective-C language and in a Mac OX S environment with XCode tools. When introduced clout 2007, it drove the whole world crazy again the vim turned into overwhelming. Millions thronged the Apple stores to get a view of the masterpiece and get with it with its ground-breaking functionalities. Today, iphone/Android utility development multi-billion dollar industry with function growth figures. Recently, Steve Jobs, CEO, Apple, introduced iPhone 4 which termed whereas the “slimmest whiz phone on the planet”.
 Some of the key elements of iPhone are:
·  Multi-touch interface
·  Retina reveal high resolution IPS screen
·  GPS Navigation
·  Proximity sensor
·  Wi-Fi connectivitya
·  OpenGL ES/Quartz
·  games and Animation